Results 21 to 30 of about 5,994,596 (302)

Inventory of General Dynamics Space Station Studies [PDF]

, 2000
Space station studies conducted by General Dynamics under contract to ...

core   +1 more source

Optimal Design of Aperture Illuminations for Microwave Power Transmission with Annular Collection Areas

Engineering, 2023
This work presents an optimal design method of antenna aperture illumination for microwave power transmission with an annular collection area. The objective is to maximize the ratio of the power radiated on the annular collection area to the total ...
Xun Li, Baoyan Duan, Yiqun Zhang, Yongxin Guo   +3 more
doaj   +1 more source

Research on Task Interleaving Scheduling Method for Space Station Protection Radar with Shifting Constraints

Telecom
To ensure the on-orbit safety of crewed spacecraft and avoid the threat of constellations such as Starlink to manned spacecraft, the industry has started to research equipping phased array radars for situational awareness of collision threat. In order to
Guiqiang Zhang, Haocheng Zhou, Hong Yang, Jiacheng Hou, Guangyuan Xu, Dawei Wang   +5 more
doaj   +1 more source

Investment casting of periodic aluminum cellular structures using slurry-cast table salt moulds

Materials & Design, 2022
A process is presented for the production of periodic cellular structures based on investment casting of Al-12 wt%Si alloy within a mould that is made of table salt (NaCl) packed around a sacrificial PLA polymer template.
Florian Gallien, Volker Gass, Andreas Mortensen   +2 more
doaj   +1 more source

Inventory of International Space Station Alpha (ISSA) Documents [PDF]

, 2000
Documents including International Space Station Alpha System Design Review charts, brochures, white papers, fact book, and configuration ...

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Potential and Challenges of Microalgae in Wastewater Treatment for Bioregenerative Life Support Systems During Long-Term Space Missions

Fermentation
The engineering, resource, and financial constraints in space and spacecraft so far have not allowed the incorporation of biological components into a closed-loop bioregenerative life support system (BLSS), despite decades of research.
Yana Ilieva, Maya Margaritova Zaharieva, Alexander Kroumov, Hristo Najdenski   +3 more
doaj   +1 more source

Space Station MMOD Shielding [PDF]

57th International Astronautical Congress, 2006
Abstract This paper describes the International Space Station (ISS) micro-meteoroid orbital debris (MMOD) impact shielding including the requirements for protection as well as technical approaches to meeting the requirements. Current activities in providing MMOD protection for ISS are described, including efforts to augment MMOD protection by adding ...
Eric L. Christiansen, Kornel Nagy, Dana M. Lear, Thomas G. Prior   +3 more
openaire   +1 more source

Study of Accretion Flow Dynamics of V404 Cygni during Its 2015 Outburst

Galaxies, 2021
The 2015 Outburst of V404 Cygni is an unusual one with several X-ray and radio flares and rapid variation in the spectral and timing properties. The outburst occurred after 26 years of inactivity of the black hole.
Arghajit Jana, Jie-Rou Shang, Dipak Debnath, Sandip K. Chakrabarti, Debjit Chatterjee, Hsiang-Kuang Chang   +5 more
doaj   +1 more source

Inventory of Space Station Chronological Files [PDF]

, 2000
Information from some of the earliest conceptualizations of the Space Station starting with the well-known "Man in the Moon" series in a 1952 edition of Collier's magazine, as well as a variety of materials including meeting minutes, study

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Mechanical analysis and verification of the large-scale rack structure about the zero-gravity test of manipulator of the space station

The Journal of Engineering, 2018
In this article, the mechanical properties of large-scale rack structures are analysed by MSC Marc analysis software is verified through the modal test.
Hailin Dai, Chengli Zhang, Fanwei Meng, Shaohua Meng, Feng Gao   +4 more
doaj   +1 more source